CN206038340U - Maize indicates to press from both sides formula seed metering ware seed metering quality and examines test table - Google Patents
Maize indicates to press from both sides formula seed metering ware seed metering quality and examines test table Download PDFInfo
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- CN206038340U CN206038340U CN201621031831.6U CN201621031831U CN206038340U CN 206038340 U CN206038340 U CN 206038340U CN 201621031831 U CN201621031831 U CN 201621031831U CN 206038340 U CN206038340 U CN 206038340U
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- seed metering
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Abstract
The utility model belongs to the technical field of agricultural machine, in particular to maize indicates to press from both sides formula seed metering ware seed metering quality and examines test table. Should examine test table including grain conductor support (13) that are used for the fixed seed metering ware support (1) that indicates to press from both sides formula seed metering ware (2), are used for fixed grain conductor (14) but slip coupling (3), reduction gear (5), motor support (6), motor (7), hall sensor (12), photoelectric sensor (15), keep off blank (16) and control system, grain conductor (14) are connected in kind of the mouth below that falls that indicate to press from both sides formula seed metering ware (2), install photoelectric sensor (15) on grain conductor (14), send a pulse signal for the seed of every process. The utility model discloses small, convenient operation, the cost is low, the practicality is strong, can detect the seed metering ware qualified index, replay index, leak seeding indexs such as broadcasting the index, real -time supervision indicates to press from both sides formula seed metering ware, and every indicates that weight, the hourglass of pressing from both sides broadcast the condition.
Description
Technical field
This utility model belongs to agricultural machinery technological field, more particularly to a kind of Semen Maydiss finger-clipping type seed metering device planting quality inspection
Scaffold tower and planting quality detection method.
Background technology
In today that mechanization of agriculture is developed rapidly, seed of maize is used in a large number, significantly improves agricultural production efficiency.
The quality height of seed of maize decides the quality of seeding quality.The sowing uniformity is to affect one of crop yield very
Important factor, reasonable and uniform spacing in the rows can be only achieved high yield.Two seed distances are too near, affect the life of post emergent crops
It is long；Two seeds can waste land resource again away from too far away；Production loss can be all caused under both of these case.On seeder
Feed mechanism for seed be by seed simple grain enter broadcast row in device, it be affect the crop uniformity critical component.Set in seeder
During meter, manufacture and use, the seeding effect for quickly and easily measuring feed mechanism for seed can allow people to predict after emerging
Go out the uniformity of sowing, so as to prior to seeding and go to adjust and improve the performance of seeder during sowing, improve yield.
Existing way is that seeder and feed mechanism for seed are fixed in laboratory table, and the seed that feed mechanism for seed is discharged drops to conveyer belt
On, the distance between seed is then measured from conveyer belt.There is movement on a moving belt to prevent seed, generally in conveyer belt
On need to buy oil and cling seed.Existing test equipment is huge, and occupation of land space is very big and not easy to operate, generally only reflects in agricultural machinery
Just there is a system in the scientific research institution such as fixed station or colleges and universities, is not suitable for spread.
The content of the invention
The purpose of this utility model is to provide a kind of small volume, easy to operate, low cost, practical finger-clipped Semen Maydiss
Feed mechanism for seed planting quality monitor station.
Another purpose of the present utility model is to provide a kind of succinct quickly finger-clipped seed of maize planting quality inspection
Survey method.
To achieve these goals, this utility model provides following technical scheme：
This utility model provides a kind of Semen Maydiss finger-clipping type seed metering device planting quality monitor station, and the monitor station is included for fixing
The feed mechanism for seed support 1 of finger-clipping type seed metering device 2, slidably the grain conductor support 13 for fixing grain conductor 14, shaft coupling 3, deceleration
Device 5, motor support base 6, motor 7, Hall element 12, photoelectric sensor 15, seed retaining plate 16 and control system；
The finger-clipping type seed metering device 2 is fixed on feed mechanism for seed support 1 by supported at three point, and fixed form is suspension strut
Formula；
Seed retaining plate 16 is arranged at the top of finger-clipping type seed metering device 2, and is connected with the seed inlet of finger-clipping type seed metering device 2, leads kind
Pipe 14 is connected to below the planting mouth of finger-clipping type seed metering device 2, is provided with photoelectric sensor 15 on grain conductor 14, is per process
Seed sends a pulse signal；
Motor 7 is fixed on motor support base 6, and the power output shaft of motor 7 passes sequentially through decelerator 5 and slidably shaft coupling
3 are connected with the feed shaft of finger-clipping type seed metering device 2；Hall element 12 is installed on the decelerator 5 of the output shaft end of motor 7,
And the position of Hall element 12 is relative with the radius of 15 degree clockwise of mouthful top edge of sowing along finger-clipping type seed metering device 2
Should；Sliding handle 4 is provided with shaft coupling 3 slidably, it is axially retractable that sliding handle 4 controls slidably shaft coupling 3；
The control system includes PLC 8, motor driver 9, touch screen 10 and power supply 11,8 points of PLC
It is not connected with photoelectric sensor 15, Hall element 12, motor driver 9 and touch screen 10；Power supply 11 and control system, photoelectricity
Sensor 15, Hall element 12 and motor 7 connect.
Compared with prior art, the beneficial effects of the utility model are：
1) small volume, easy to operate, low cost, practical；
2) by detecting the time interval between two neighboring pulse (i.e. adjacent two corn seeds), and then the row of calculating
The sowing index such as the qualified index of kind device, replay index, broadcast leakage index, so that realize the function of feed mechanism for seed monitoring.
3) weight of folder, broadcast leakage situation each can be referred to real-time monitoring finger-clipping type seed metering device；
4) animation when can be fallen with simulation seeds, intuitively finds out replay and broadcast leakage；
5) a large amount of storages of experimental data are realized, is easy to user to search experimental record.
Description of the drawings
Structural representations of the Fig. 1 for this utility model Semen Maydiss finger-clipping type seed metering device planting quality monitor station.
Reference therein is：
1 feed mechanism for seed support, 2 finger-clipping type seed metering device
3 slidably 4 sliding handles of shaft coupling
5 decelerator, 6 motor support base
7 motor, 8 PLC
9 motor driver, 10 touch screen
11 power supply, 12 Hall element
13 grain conductor support, 14 grain conductor
15 sensor, 16 seed retaining plate
Specific embodiment
This utility model is further described with reference to embodiment.
As shown in figure 1, Semen Maydiss finger-clipping type seed metering device planting quality monitor station of the present utility model, refers to folder including for fixation
The feed mechanism for seed support 1 of formula feed mechanism for seed 2, the grain conductor support 13 for fixing grain conductor 14, slidably shaft coupling 3, decelerator 5,
Motor support base 6, motor 7, Hall element 12, photoelectric sensor 15, seed retaining plate 16 and control system.
The finger-clipping type seed metering device 2 is fixed on feed mechanism for seed support 1 by supported at three point, and fixed form is suspension strut
Formula, facilitates the installation and dismounting of finger-clipping type seed metering device 2.
Seed retaining plate 16 is arranged at the top of finger-clipping type seed metering device 2, and is connected with the seed inlet of finger-clipping type seed metering device 2.Lead kind
Pipe 14 is connected to below the planting mouth of finger-clipping type seed metering device 2, is provided with photoelectric sensor 15 on grain conductor 14, is per process
Seed sends a pulse signal.
Motor 7 is fixed on motor support base 6, and the power output shaft of motor 7 passes sequentially through decelerator 5 and slidably shaft coupling
3 are connected with the feed shaft of finger-clipping type seed metering device 2.Hall element 12 is installed on the decelerator 5 of the output shaft end of motor 7,
And the position of Hall element 12 is relative with the radius of 15 degree clockwise of mouthful top edge of sowing along finger-clipping type seed metering device 2
Should.
Sliding handle 4 is provided with shaft coupling 3 slidably, it is axially retractable that sliding handle 4 controls slidably shaft coupling 3.
The control system includes PLC 8, motor driver 9, touch screen 10 and power supply 11.8 points of PLC
It is not connected with photoelectric sensor 15, Hall element 12, motor driver 9 and touch screen 10；Power supply 11 and control system, photoelectricity
Sensor 15, Hall element 12 and motor 7 connect.
The monitor station can connect printer, and testing result is directly printed, can be to feed mechanism for seed in detection process
Seeding situation carries out intuitively animation simulation.
Semen Maydiss finger-clipping type seed metering device planting quality detection method of the present utility model, comprises the steps：
A, finger-clipping type seed metering device 2 to be detected is fixed on feed mechanism for seed support 1, seed retaining plate 16 and finger-clipping type seed metering device 2
Seed inlet connects；Grain conductor 14 is connected with the planting mouth of finger-clipping type seed metering device 2；Operation sliding handle 4, controls slidably shaft coupling
3 stretch out to the feed shaft of finger-clipping type seed metering device 2, slidably shaft coupling 3 is connected with the feed shaft of finger-clipping type seed metering device 2.
B, speed of drilling, type hole number, spacing in the rows and target component of sowing are input into by touch screen 10；Finger-clipping type seed metering device 2
Seed inlet is put into seed, and seed retaining plate 16 prevents seed from overflowing from feed mechanism for seed seed inlet, starts motor 7, and motor 7 drives finger-clipped
Feed mechanism for seed 2 works, and seed is discharged by planting opening's edge grain conductor 14, and photoelectric sensor 15 is that the seed of per process sends an arteries and veins
Signal, rotating speed of the PLC 8 according to the state modulator motor 7 for arranging is rushed, and receives the photoelectric transfer on grain conductor 14
The pulse signal that sensor 15 sends.
C, PLC 8 calculate finger-clipping type seed metering device 2 according to the pulse signal that the photoelectric sensor 15 for receiving sends
Qualified index, replay index and broadcast leakage index, and shown by touch screen 10 in real time；Meanwhile, on touch screen 10 also
The animation simulation having during seeds fall, intuitively finds out replay and broadcast leakage.
In d, step c, qualified index, replay index and the broadcast leakage index of finger-clipping type seed metering device 2 are calculated according to pulse signal
Method be：
D1) feed mechanism for seed rotating speed control
For the qualified index of the different spacing in the rows of detection and the finger-clipping type seed metering device 2 under different speed of drilling, replay index and leakage
Broadcast index, it is necessary first to controlled motor 7, make finger-clipping type seed metering device 2 reach corresponding rotating speed, the calculating of 2 rotating speed n of finger-clipping type seed metering device
Formula is：
N=5000v/3al
In formula, n is feed mechanism for seed rotating speed (r/min), and v is speed of drilling (Km/h), and l is type strain away from (cm), and a is discharge plate
Type hole number.
D2 adjacent kind is counted according to the pulse signal that the photoelectric sensor 15 that PLC in step c 8 is received sends)
Interruption times n between son ', the Interruption number interval of 0.1ms is changed into by contrast by the spacing in the rows interval in GB, is obtained
Actual spacing in the rows respectively falls in the number on five big spacing in the rows intervals：n1’、n2’、n3’、n4' and n5’。
In the method for the qualified index of traditional detection feed mechanism for seed, replay index and broadcast leakage index, measurement in real time is typically necessary
Spacing in the rows between actual seeding process neighboring seeds, measuring method are measuring spacing in the rows with formula L=T*v.The speed that seeder advances
Degree v is set in advance, and adjacent two interseminal time differences T are measured by intervalometer.Two seeds fall to the ground away from
Speed v that seeder advance is equal to from L is multiplied by time difference T that the two seeds fall to the ground.Further according to the strain divided in GB
N can be counted away from interval1’、n2’、n3’、n4' and n5’。n1’、n2’、n3’、n4' and n5' it is that actual spacing in the rows falls in different strains
Number in interval, that is, fall in each interval seed number, wherein, n1’、n2’、n3’、n4' and n5' corresponding in GB《It is single
Grain (precision) seeder test method》In 5 big spacing in the rows it is interval, to the interval division methods of spacing in the rows be：First according to standard
0.1 times of spacing in the rows is divided into multiple intervals, then by these minizones be divided into 5 it is big interval, be 0 times of spacing in the rows respectively to 0.5
Interval for first again, 0.5 times to 1.5 times of spacing in the rows is second interval, and 1.5 times to 2.5 times of spacing in the rows are the 3rd interval,
2.5 times of spacing in the rows to 3.5 times are the 4th interval, and 3.5 times to infinite greatly the 5th of spacing in the rows are interval, and surveyed spacing in the rows falls the
, for replaying, it be normal to fall in second interval for one interval, is fallen at third and fourth, five intervals are broadcast leakage.
n′1=Σ ni(Xi∈ { 0 to 0.5 })
n′2=∑ ni(Xi∈ { ＞ 0.5 to≤1.5 })
n′3=Σ ni(Xi∈ { ＞ 1.5 to≤2.5 })
n′4=Σ ni(Xi∈ { ＞ 2.5 to≤3.5 })
n′5=Σ ni(Xi∈ { ＞ 3.5 to≤+ ∞ })
Then calculated according to GB formula, drawn qualified index, replay index and broadcast leakage index, this detection mode
Needs constantly calculate the spacing in the rows between neighboring seeds in detection process, more complicated.
This utility model Interruption of 0.1ms used in seeding quality detection process, by the spacing in the rows area in GB
Between change into the Interruption number interval of 0.1ms, method for transformation is：Replace the type strain in GB with interruption times interval
Away from interval, using formulaN ' is interruption times, and L is that two seeds fall to the ground distance, and v is seeder advance
Speed.The interval following table of the interruption of conversion：
In table, xiIt is away from the spacing in the rows interval for dividing, n by 0.1 times of type strainiFor xiSpacing in the rows number in spacing in the rows interval, Xi
For xiThe interval spacing in the rows variable of spacing in the rows, n ' is interruption times, ni' be occurrence number, that is, correspond to n1’、n2’、n3’、n4' and n5' real
Border spacing in the rows respectively falls in the number on five big spacing in the rows intervals.
C) qualified index, replay index and the broadcast leakage index of feed mechanism for seed 2 and then according to below equation are calculated：
N=n '1+n′2+n′3+n′4+n′5
Replay number：n2=n '1
Passing number：n1=N-2n2
Broadcast leakage number：n0=n '3+2n′4+3n′5
Interval number：N '=n '2+2n′3+3n′4+4n′5
Qualified index：
Replay index：
Broadcast leakage index：
Wherein, N is total spacing in the rows number, or total sowing number, and N ' is interval number, n1’、n2’、n3’、n4' and n5' be
Actual spacing in the rows respectively falls in the number on five big spacing in the rows intervals, n0For broadcast leakage number, n1For passing number, n2For replay number, A is to close
Grid index, D are replay index, and M is broadcast leakage index.
This utility model provides a kind of detection finger-clipping type seed metering device method that each refers to folder broadcast leakage again：
A, the pulse signal sent according to Hall element 12 determine finger-clipping type seed metering device 2, and each refers to the position of folder.
Control system setting PLC 8 often sends 16000 pulses, and finger-clipping type seed metering device 2 rotates a circle, finger-clipped
Feed mechanism for seed 2 has 12 type holes, i.e. PLC often sends 16000/12=1333 pulse, and finger-clipping type seed metering device 2 turns over one and refers to folder
° central angle of position, i.e., 30.High-speed counter in PLC 8 is counted to pulse, determines finger-clipped with this
Feed mechanism for seed 2 each refer to the position of folder.
Hall element 12 is installed on the decelerator 5 of the output shaft end of motor 7, with finger-clipping type seed metering device 2
One refers to that folder is corresponding, and the position of Hall element 12 and mouthful top edge clockwise 15 of sowing along finger-clipping type seed metering device 2
The radius of degree are corresponding, and when first finger folder goes to this position, Hall element 12 is issued by a pulse signal, when
When PLC 8 receives the pulse signal that Hall element 12 sends, high-speed counter restarts to count from 0, often
1333 pulse correspondences, one finger folder, i.e., first finger folder of 1-1333 pulse correspondence, 1334-2666 pulse are corresponding second
Refer to folder, by that analogy, just can determine that each refers to the position of folder.
B, refer to the seed number that counts whereabouts in the range of the corresponding pulse number of folder at each, obtain this leakage again for referring to folder
Multicast data.
For example, within the time period of 1-1333 pulse, if counting on no seeds fall, first refers to folder leakage
Broadcast, if counting on 1 seed, first refers to that folder sowing is normal, if counting on 2 or more than 2, first refers to folder
Replay.Detect by above method in seeding process that each refers to the replay number and broadcast leakage number of folder.
For detecting that each refers to the replay number and broadcast leakage number of folder, need by seeds fall trigger pulse refer to feed mechanism for seed press from both sides into
Row is corresponded, and when pulse correspondence one refers to folder, then this refers to folder normal work, when there is two or more pulses pair
When answering one to refer to folder, then this refers to folder for replaying, and when a finger folder does not have corresponding pulse to correspondence, then this refers to folder for broadcast leakage.
For realizing that the pulse of the photoelectric sensor 15 of seeds fall triggering and feed mechanism for seed refer to that folder is corresponded, need to each
Refer to that folder is accurately positioned, accurately judge to refer to the angle that folder is turned over.In 2 course of work of finger-clipping type seed metering device, each refers to the position of folder
Periodic cycle, it is when seeds fall trigger pulse, corresponding with the pulsion phase to refer to folder in a certain ad-hoc location, through one
Cycle, when this refers to folder comes back to the position when, the seed corresponding to which also just trigger grain conductor on sensor send arteries and veins
Punching.In the ideal case, when next pulse sends, the finger folder corresponding to which should also be in the ad-hoc location.I.e. in this turn
Under speed, when each of feed mechanism for seed refers to that folder is in the position, should all there is a corresponding pulse to be triggered.For finger
Clip feed mechanism for seed, each refers to the central angle of 30 ° of folder correspondence, therefore, when detecting that each refers to the broadcast leakage again of folder, refer to the corresponding position of folder
It is equipped with the scope of 30 ° of central angles.The corresponding pulse in the range of this 30 ° of central angles should all belong to same and refer to folder.
Claims (1)
1. a kind of Semen Maydiss finger-clipping type seed metering device planting quality monitor station, it is characterised in that：The monitor station includes referring to folder for fixation
The feed mechanism for seed support (1) of formula feed mechanism for seed (2), slidably the grain conductor support (13) for fixing grain conductor (14), shaft coupling
(3), decelerator (5), motor support base (6), motor (7), Hall element (12), photoelectric sensor (15), seed retaining plate (16) and
Control system；
Finger-clipping type seed metering device (2) are fixed on feed mechanism for seed support (1) by supported at three point, and fixed form is suspension strut
Formula；
Seed retaining plate (16) is arranged at the top of finger-clipping type seed metering device (2), and is connected with the seed inlet of finger-clipping type seed metering device (2), leads
Plant pipe (14) to be connected to below the planting mouth of finger-clipping type seed metering device (2), photoelectric sensor (15) is installed on grain conductor (14), is
The seed of per process sends a pulse signal；
Motor (7) is fixed on motor support base (6), and the power output shaft of motor (7) passes sequentially through decelerator (5) and slidably joins
Axle device (3) is connected with the feed shaft of finger-clipping type seed metering device (2)；It is provided with suddenly on the decelerator (5) of the output shaft end of motor (7)
That sensor (12), and the position of Hall element (12) is clockwise with mouthful top edge of sowing along finger-clipping type seed metering device (2)
15 degree of radius are corresponding；Sliding handle (4) is provided with shaft coupling (3) slidably, sliding handle (4) control slidably joins
Axle device (3) is axially retractable；
The control system includes PLC (8), motor driver (9), touch screen (10) and power supply (11), PLC
(8) it is connected with photoelectric sensor (15), Hall element (12), motor driver (9) and touch screen (10) respectively；Power supply (11)
It is connected with control system, photoelectric sensor (15), Hall element (12) and motor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031831.6U CN206038340U (en) | 2016-08-31 | 2016-08-31 | Maize indicates to press from both sides formula seed metering ware seed metering quality and examines test table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031831.6U CN206038340U (en) | 2016-08-31 | 2016-08-31 | Maize indicates to press from both sides formula seed metering ware seed metering quality and examines test table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038340U true CN206038340U (en) | 2017-03-22 |
Family
ID=58298061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621031831.6U Expired - Fee Related CN206038340U (en) | 2016-08-31 | 2016-08-31 | Maize indicates to press from both sides formula seed metering ware seed metering quality and examines test table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206038340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124239A (en) * | 2016-08-31 | 2016-11-16 | 中国农业大学 | Semen Maydis finger-clipping type seed metering device planting quality monitor station and planting quality detection method |
-
2016
- 2016-08-31 CN CN201621031831.6U patent/CN206038340U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124239A (en) * | 2016-08-31 | 2016-11-16 | 中国农业大学 | Semen Maydis finger-clipping type seed metering device planting quality monitor station and planting quality detection method |
| CN106124239B (en) * | 2016-08-31 | 2018-11-23 | 中国农业大学 | Corn finger-clipping type seed metering device planting quality monitor station and planting quality detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20190831 |